About the Number 73 (seventy-three)

MathBabbler took a picture of a ME Hwy-73 highway sign while watching the movie "In the Bedroom" on 17 October 2008. The movie took place in the state of Maine.

   MathBabbler Number Analyst (MBNA) output:
   =========================================
   73 is a natural, whole, integer
   73 is odd
   73 proper divisors are: 1,
   73 is deficient (sum of divisors is 1)
   73 is unhappy
   73 is not a Harshad number
   73 is prime
   ...Sexy prime with 79
   ...Sexy prime with 67
   ...Twin prime with 71
   ...Pythagorean
   ...Star
   ...Left-truncatable
   ...Right-truncatable
   ...prime triplet {67, 71, 73}
   73 is undulating
   73 is prime
   73 in octal is 0111
   73 in hexadecimal is 0x49
   73 in binary is 1001001 (is odious)
   73 nearest square numbers: -9...8 (64...81 [9])
   sqrt(73) = 8.544
   ln(73) = 4.29046
   log(73) = 1.86332
   73 reciprocal is .01369863013698630136986301369863
   73! is 4.47012e+105
   73 is 23.2366 Pi years
   73 is 3 score and 13 years

73 in Roman numeral is LXXIII.

The Wikipedia said 73 is a permutable prime with 37.

One of MathBabbler's favorite songs is "Ride Captain Ride" and it starts with "73 men sailed out on the San Francisco Bay."


Creator: Gerald Thurman [gthurman@gmail.com]
Created: 18 October 2008

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